对话产品看似人人都能运用，但“人人”并不相同。视障参与者依赖语音输入，听障用户可借助文字转写，行动不便者难以快速点击，跨语言用户可能因沟通障碍被排除。无障碍不该是插件，而应发展为沟通产品的基础。 包容性规划要允许组合图片。语音可以转文

社交电商把交易放进同一个环境，聊天工具则进一步把购物变成连续对话。顾客不再只浏览静态页面，而会询问“为什么推荐它”。这种互动能够降低跨境交易疑虑，也让品牌从一次曝光进入更长的决策过程。 好的智能导购首先应该比较，而不是急着发送购买链接

The rise of online dialogue begins before chat became a daily habit. In the early computing age, computers were massive, expensive, and difficult to operate. Work was usually handled through delayed computation. People prepared punched cards, submitted machine-readable tasks, and waited for a pri